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Diffstat (limited to 'gcc/config/s390/vx-builtins.md')
| -rw-r--r-- | gcc/config/s390/vx-builtins.md | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/config/s390/vx-builtins.md b/gcc/config/s390/vx-builtins.md index d20771d..e4bb514 100644 --- a/gcc/config/s390/vx-builtins.md +++ b/gcc/config/s390/vx-builtins.md @@ -2186,6 +2186,27 @@ vster<bhfgq>\t%v1,%v0" [(set_attr "op_type" "*,VRX,VRX")]) +; The emulation pattern below will also accept +; vst (eltswap (vl)) +; i.e. both operands in memory, which reload needs to fix. +; Split into +; vl +; vster (=vst (eltswap)) +; since we prefer vster over vler as long as the latter +; does not support alignment hints. +(define_split + [(set (match_operand:VEC_HW 0 "memory_operand" "") + (unspec:VEC_HW [(match_operand:VEC_HW 1 "memory_operand" "")] + UNSPEC_VEC_ELTSWAP))] + "TARGET_VXE2 && can_create_pseudo_p ()" + [(set (match_dup 2) (match_dup 1)) + (set (match_dup 0) + (unspec:VEC_HW [(match_dup 2)] UNSPEC_VEC_ELTSWAP))] +{ + operands[2] = gen_reg_rtx (<MODE>mode); +}) + + ; Swapping v2df/v2di can be done via vpdi on z13 and z14. (define_split [(set (match_operand:V_HW_2 0 "register_operand" "") |